The clownfish and the sea anemone form a mutualistic symbiotic relationship. The clownfish is protecte by the sea anemone and it attracts food to the sea anemone. The goby and thte blind shrimp have a mutualistic symbiotic relationship in which the goby prottects the blind shrimp, and the blind shrimp provides a home for the goby. Finally, the Oriental sweetlips and the blue-streak wrasse form a mutualistic symbiotic relationship in which the sweetlips gets it teeth cleaned by the wrasse and the wrasse gets food from the sweetlips' teeth.

This teachers' guide from the Nuffield Foundation was written to accompany Study Guide I and the related Practical Guides 1-4. Each chapter begins with a review of aims and contents. Following this, the first part of the chapter sets out the assumptions and principles underlying each section in the study guide and repeats and gives answers to the questions. The second part deals in the same way with each practical investigation and its questions, and includes a list of items needed. Both parts are thoroughly cross-referenced to the relevant students' books. The chapter ends with a bibliography.

Advanced Biology Module 9 Study Guide Answers

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